2511953797 has 2 divisors, whose sum is σ = 2511953798. Its totient is φ = 2511953796.

The previous prime is 2511953789. The next prime is 2511953819. The reversal of 2511953797 is 7973591152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1342929316 + 1169024481 = 36646^2 + 34191^2 .

It is a cyclic number.

It is not a de Polignac number, because 2511953797 - 2³ = 2511953789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2511953797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2511953707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1255976898 + 1255976899.

It is an arithmetic number, because the mean of its divisors is an integer number (1255976899).

Almost surely, 2^2511953797 is an apocalyptic number.

It is an amenable number.

2511953797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2511953797 is an equidigital number, since it uses as much as digits as its factorization.

2511953797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 595350, while the sum is 49.

The square root of 2511953797 is about 50119.3954173432. The cubic root of 2511953797 is about 1359.3685428201.

The spelling of 2511953797 in words is "two billion, five hundred eleven million, nine hundred fifty-three thousand, seven hundred ninety-seven".